Table des Matières
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Les langues disponibles
Les langues disponibles
T [°C]
20
K
[m]
0,2
T
H [m]
0
K
[m]
0
H
4.6 MINIMUM NOMINAL FLOW RATE
To prevent overheating of the internal pump components, the pump should not be used at flows below the minimum flow rate.
ATTENTION
Danger to equipment and operation.
Do not run the pump against a closed discharge valve for longer than a few seconds.
The curve below shows the minimum flow rate required as a percentage of the pump nominal flow rate in relation to the liquid tempe-
rature
4.7 ELECTRIC DATA
See the motor nameplate.
ATTENTION
Danger to equipment and operation.
Make sure that the supply voltages, phase and frequencies correspond to the motor specifications.
4.8 NUMBER OF STARTS PER HOUR
Motors up to and including 4 kW: Maximum 100 starts per hour. Motors of 5.5 kW and up: Maximum 40 starts per hour..
ATTENTION
Danger to equipment and operation.
If you use another brand of motor then check the manufacturer' s instructions for the maximum frequency of starts.
30
40
50
60
0,4
0,8
1,3
2,2
500
1000
1500
2000
0,55
1,10
1,65
2,20
70
80
90
100
3,3
5,0
7,4
11
2500
3000
2,75
3,30
ORIGINAL INSTRUCTION
110
120
15
22
EN
5
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